Model comparison
GPT-OSS 20B vs Trinity-Large-Preview
Head-to-head evidence from 14 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-OSS 20B #159 (Supported); Trinity-Large-Preview #79 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-OSS 20B and Trinity-Large-Preview share 14 comparable benchmark results. 0 of 8 categories are comparable. 4 results are unique to GPT-OSS 20B; 4 to Trinity-Large-Preview.
Updated July 21, 2026- Shared results
- 14
- GPT-OSS 20B only
- 4
- Trinity-Large-Preview only
- 4
- Comparable categories
- 0 / 8
Benchmark data for GPT-OSS 20B and Trinity-Large-Preview is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 14 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Trinity-Large-Preview is priced at $0.25 input / $1.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for GPT-OSS 20B. Trinity-Large-Preview has the larger context window at 512K, compared with 128K for GPT-OSS 20B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-OSS 20B | Trinity-Large-Preview | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-OSS 20B$0 input / $0 output | Trinity-Large-Preview$0.25 input / $1 output | GPT-OSS 20B has the lower combined listed price. |
| Generation speedtokens per second | GPT-OSS 20B313 tok/s | Trinity-Large-PreviewNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-OSS 20B0.65 s | Trinity-Large-PreviewNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-OSS 20B128K | Trinity-Large-Preview512K | Trinity-Large-Preview lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | GPT-OSS 20B | Trinity-Large-Preview | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 14.9% | 24.5% | Trinity-Large-Preview leads |
| AA-GPQA DiamondSource | 68.8% | 75.2% | Trinity-Large-Preview leads |
| AA-HLESource | 9.8% | 14.7% | Trinity-Large-Preview leads |
| AA-Omniscience IndexSource | -63.9% | -44.2% | Trinity-Large-Preview leads |
| AA-Omniscience AccuracySource | 15.5% | 22.8% | Trinity-Large-Preview leads |
| AA-Omniscience Hallucination RateSource | 94.1% | 86.6% | Trinity-Large-Preview leads |
| MMLUSource | — | 87.2% | Not comparable |
| MMLU-Pro (Arcee)Source | — | 75.2% | Not comparable |
| GPQA-DSource | — | 63.3% | Not comparable |
Math1 benchmarks
| Benchmark | GPT-OSS 20B | Trinity-Large-Preview | Result |
|---|---|---|---|
| AIME25 (Arcee)Source | — | 24.0% | Not comparable |
Multimodal1 benchmarks
| Benchmark | GPT-OSS 20B | Trinity-Large-Preview | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 882 | 1165 | Trinity-Large-Preview leads |
Inst. Following1 benchmarks
| Benchmark | GPT-OSS 20B | Trinity-Large-Preview | Result |
|---|---|---|---|
| AA-IFBenchSource | 65.1% | 56.3% | GPT-OSS 20B leads |
Frequently Asked Questions (3)
Can I compare GPT-OSS 20B and Trinity-Large-Preview on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for GPT-OSS 20B and Trinity-Large-Preview today?
GPT-OSS 20B: $0.00 input / $0.00 output per 1M tokens Trinity-Large-Preview: $0.25 input / $1.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Related Comparisons
Explore More
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.